Acoustic finite-difference modeling beyond conventional Courant-Friedrichs-Lewy stability limit: Approach based on variable-length temporal and spatial operators

Zhou, HY; Liu, Y; Wang, J

Liu, Y (corresponding author), China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China.; Liu, Y (corresponding author), China Univ Petr, Karamay Campus, Karamay 834000, Peoples R China.

EARTHQUAKE SCIENCE, 2021; 34 (2): 123

Abstract

Conventional finite-difference (FD) methods cannot model acoustic wave propagation beyond Courant-Friedrichs-Lewy (CFL) numbers 0.707 and 0.577 for tw......

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